ACS Omega,
Год журнала:
2023,
Номер
8(38), С. 34262 - 34280
Опубликована: Сен. 15, 2023
The
degradation
of
organic
pollutants
present
in
domestic
and
industrial
effluents
is
a
matter
concern
because
their
high
persistence
ecotoxicity.
Recently,
advanced
oxidation
processes
(AOPs)
are
being
emphasized
for
pollutant
removal
from
effluents,
as
they
have
shown
higher
efficiencies
when
compared
to
conventional
activated
sludge
processes.
Sulfate
radical-based
methods
some
the
AOPs,
mainly
carried
out
using
persulfate
(PS)
peroxymonosulfate
(PMS),
which
gained
attention
due
ease
sulfate
radical
generation
effective
molecules.
PMS
gaining
more
popularity
its
reactivity
ability
generate
excess
radicals.
has
been
major
focus;
therefore,
mechanism
explained,
limitations
elaborated.
involvement
metal-organic
frameworks
PMS/PS
activation
applied
recent
advances
application
biochar
hydrogel-assisted
discussed.
Heliyon,
Год журнала:
2024,
Номер
10(13), С. e32861 - e32861
Опубликована: Июнь 13, 2024
Increasing
water
pollution
and
decreasing
energy
reserves
have
emerged
as
growing
concerns
for
the
environment.
These
pollutions
are
due
to
dangerous
effects
of
numerous
pollutants
on
humans
aquatic
organisms,
such
hydrocarbons,
biphenyls,
pesticides,
dyes,
pharmaceuticals,
metal
ions.
On
other
hand,
need
a
clean
environment,
finding
alternatives
fossil
renewable
fuels
is
very
important.
Hydrogen
(H2)
regarded
viable
promising
substitute
fuels,
range
methodologies
been
devised
generate
this
particular
source
energy.
Metal-organic
frameworks
(MOFs)
new
generation
nanoporous
coordination
polymers
whose
crystal
structure
composed
juxtaposition
organic
inorganic
constituent
units.
Due
their
flexible
nature,
regular
structure,
high
surface
area,
these
materials
attracted
much
attention
removing
various
from
wastewater,
splitting.
MOFs
Z-scheme
heterojunctions
identified
an
economical
eco-friendly
method
eliminating
wastewater
systems,
produce
H2.
Their
low-cost
synthesis
unique
properties
increase
application
in
environment
fields.
The
possess
diverse
properties,
exceptional
making
them
ideal
degradation
separation.
development
formulation
photocatalytic
system
using
MOFs,
which
stable
potent
redox
capability,
has
successful
approach
addressing
environmental
shortages
recent
times.
Through
utilization
benefits
offered
by
photocatalysts,
efficient
separation
migration
charge
carriers,
extensive
spectrum
light
absorption,
among
advantages,
notable
enhancements
can
be
attained.
This
review
encompasses
techniques,
heterojunctions,
use
treating
wastewaters,
including
heavy
metals,
Also,
it
provides
overview
mechanisms,
pathways,
theoretical
practical
aspects
heterojunctions.
Finally,
thoroughly
assesses
existing
challenges
suggests
further
research
applications
industrial-scale
treatment.
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
31(9), С. 13185 - 13206
Опубликована: Янв. 19, 2024
Abstract
To
effectively
remove
pharmaceuticals,
nitroaromatic
compounds,
and
dyes
from
wastewater,
an
efficient
multifunctional
material
was
created
based
on
silver
nanoparticles
(Ag)
MIL-125-NH
2
(MOF)
immobilized
viscose
fibers
(VF)
as
a
support
substrate.
Firstly,
were
the
surface
of
via
in
situ
synthesis
using
trisodium
citrate
(TSC)
reducing
agent
to
create
(VF-Ag).
Then,
VF
VF-Ag
decorated
with
titanium
metal–organic
framework
VF-MOF
VF-Ag-MOF.
The
influence
VF-Ag,
VF-MOF,
VF-Ag-MOF
sonocatalytic
or
sonophotocatalytic
degradation
sulfa
drugs
investigated.
results
show
that
showed
excellent
activity
towards
compared
VF-MOF.
Furthermore,
sonophotodegradation
dramatic
enhancement
efficiency
sonodegradation.
percentage
sulfanilamide,
sulfadiazine,
sulfamethazine
presence
65,
90,
95
after
45
min
ultrasonic
visible
light
irradiation.
catalytic
evaluated
through
conversion
p-nitrophenol
(4-NP)
p-aminophenol
(4-AP).
demonstrate
had
highest
activity,
followed
by
4-NP
4-AP
69%.
photocatalytic
effects
elimination
methylene
blue
(MB)
dye
high
removing
MB
reduction
(65%)
photodegradation
(71%)
60
min.
composites
structure–activity
relationships
represent
doping
within
NPs
enhanced
,
which
could
be
explained
follows:
(i)
Due
formation
Schottky
barrier
at
junction
between
Ag
NPs,
photogenerated
electrons
conduction
band
supposed
quickly
transferred
valence
subsequently,
NPs.
This
considerable
electron
transferring
process,
is
reported
Z
scheme
heterojunction,
can
efficiently
suppress
recombination
electron/hole
pairs
VF-Ag-MIL-125-NH
composites.
(ii)
Sufficient
separation
charge
carriers
(holes
electrons)
avoiding
their
Journal of Materials Chemistry A,
Год журнала:
2022,
Номер
11(5), С. 2092 - 2127
Опубликована: Дек. 20, 2022
This
review
provides
the
engineering
strategies,
systematic
classification
and
representative
applications
of
MOF-based
hydrogels,
future
prospects
have
also
been
presented
in
detail.
